CN220878099U - Molecular sieve drying-roasting comprehensive energy-saving production system - Google Patents
Molecular sieve drying-roasting comprehensive energy-saving production system Download PDFInfo
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- CN220878099U CN220878099U CN202322596425.0U CN202322596425U CN220878099U CN 220878099 U CN220878099 U CN 220878099U CN 202322596425 U CN202322596425 U CN 202322596425U CN 220878099 U CN220878099 U CN 220878099U
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- gas
- roasting furnace
- molecular sieve
- dust remover
- production system
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- 239000002808 molecular sieve Substances 0.000 title claims abstract description 32
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000000428 dust Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 15
- 238000002485 combustion reaction Methods 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims description 91
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 14
- 239000003345 natural gas Substances 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 2
- 238000001354 calcination Methods 0.000 claims 4
- 238000000034 method Methods 0.000 abstract description 15
- 238000001035 drying Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 238000005485 electric heating Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010981 drying operation Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a molecular sieve drying-roasting integrated energy-saving production system, which comprises a rotary flash dryer, a dust remover and a gas type roasting furnace, wherein a tail gas output port of the gas type roasting furnace is connected with a gas inlet of the rotary flash dryer, a tail gas output port of the rotary flash dryer is connected with a gas input port of the dust remover, a tail gas output port of the dust remover is connected with a gas inlet of the rotary flash dryer, and a solid output port of the dust remover is connected with a material input port of the gas type roasting furnace. The tail gas of the drying system is recycled, so that the molecular sieve drying-roasting system is energy-saving by 5% compared with the existing process; the burner at the tail of the furnace cylinder is in direct contact with the material, so that the energy is saved; the utility model uses the gas type roasting furnace as the hot blast stove of the spin flash drying system, removes the hot blast stove, the hot blast stove combustion-supporting fan and the hot blast stove combustion system in the original process, greatly reduces the fixed investment, simplifies the process flow and reduces the production and maintenance cost.
Description
Technical Field
The utility model discloses a molecular sieve-based production system, in particular to a molecular sieve drying-roasting integrated energy-saving production system, and relates to the technical field of molecular sieve production and processing.
Background
The molecular sieve roasting system is equipment for carrying out heat treatment on adsorbents such as molecular sieve, and currently, two forms of roasting furnaces are adopted for the molecular sieve roasting system: electrothermal type and gas type.
The electric heating type roasting furnace is suitable for working conditions with small yield and low energy consumption; when the yield is high, the electric heating wire cannot be roasted by adopting an electric heating roasting furnace due to the limitation of arrangement of the electric heating wire, so that a gas type roasting furnace is needed.
The heat efficiency of the gas type roasting furnace is low, the tail gas of the existing molecular sieve production device is used as a heat source of a drying system for recycling in order to improve the heat efficiency of the gas type roasting furnace, the heat efficiency of the whole system is improved, and the purpose of energy conservation is achieved. Even so, the energy consumption of the molecular sieve drying-roasting system is high, and flash explosion can occur during high-temperature roasting when combustible organic matters exist in special molecular sieve slurry.
Disclosure of Invention
Aiming at the defects of high energy consumption and safety risk of the gas type roasting furnace in the prior art, the utility model provides a molecular sieve drying-roasting integrated energy-saving production system which can recycle tail gas of a drying system and save more energy compared with the prior art.
The technical scheme adopted for solving the technical problems is as follows: the molecular sieve drying-roasting integrated energy-saving production system comprises a spin flash dryer, a dust remover and a gas type roasting furnace, wherein a tail gas output port of the gas type roasting furnace is connected with a gas inlet of the spin flash dryer, a tail gas output port of the spin flash dryer is connected with a gas input port of the dust remover, a tail gas output port of the dust remover is connected with a gas inlet of the spin flash dryer, and a solid output port of the dust remover is connected with a material input port of the gas type roasting furnace.
The technical scheme adopted by the utility model for solving the technical problems further comprises the following steps:
and a feeding pump is connected to a feeding input port of the spin flash dryer.
More than one burner is arranged in the gas type roasting furnace, the more than one burner is uniformly distributed in the gas type roasting furnace along the axis direction of the gas type roasting furnace, and each burner is respectively connected with a natural gas inlet and a combustion air inlet.
The combustion-supporting air inlet is connected with a combustion-supporting fan of the roasting furnace.
The tail part of the gas type roasting furnace is provided with a tail burner, and the tail burner is connected with a natural gas inlet and a combustion air inlet.
The head of the gas type roasting furnace is provided with a screw feeder, and a rotary discharge valve is connected between a solid output port of the dust remover and a material input port of the gas type roasting furnace.
And part of tail gas output by the rotary flash dryer is conveyed to a material input port of the gas type roasting furnace.
The dust remover is a cloth bag dust remover.
The gas outlet of the dust remover is connected with a tail gas fan and a circulating fan, and the circulating fan is connected with the gas inlet of the spin flash dryer.
The beneficial effects of the utility model are as follows: the utility model improves the energy consumption of a molecular sieve drying-roasting system and the safety of a production system, and fills the blank of the corresponding technology in China. The rotary flash drying operation is more stable; the tail gas of the drying system is recycled, so that the molecular sieve drying-roasting system saves energy by 5% compared with the existing process; the burner at the tail of the furnace cylinder is in direct contact with the material, so that the energy is saved; the method is safer aiming at inflammable organic matters in the solvent; the utility model uses the gas type roasting furnace as the hot blast stove of the spin flash drying system, removes the hot blast stove, the hot blast stove combustion-supporting fan and the hot blast stove combustion system in the original process, greatly reduces the fixed investment, simplifies the process flow and reduces the production and maintenance cost.
The utility model will be further described with reference to the drawings and detailed description.
Drawings
FIG. 1 is a schematic diagram of a production system of a gas-fired roasting furnace in the prior art.
FIG. 2 is a schematic diagram of a production system of a gas-fired roasting furnace in the utility model.
In the figure: 1-hot blast stove combustion-supporting fan, 2-hot blast stove, 3-high temperature fan, 4-spin flash dryer, 5-feed pump, 6-sack cleaner, 7-tail gas fan, 8-circulation fan, 9-gas formula roasting furnace, 10-roasting furnace combustion-supporting fan, 11-rotatory discharge valve.
Detailed Description
This example is a preferred embodiment of the present utility model, and other principles and basic structures are the same as or similar to those of this example, and all fall within the scope of the present utility model.
Referring to fig. 2, the utility model mainly comprises a spin flash dryer 4, a dust remover 6 and a gas type roasting furnace 9, wherein a tail gas output port of the gas type roasting furnace 9 is connected with a gas inlet of the spin flash dryer 4, a tail gas output port of the spin flash dryer 4 is connected with a gas input port of the dust remover 6, a tail gas output port of the dust remover 6 is connected with a gas inlet of the spin flash dryer 4, and a solid output port of the dust remover 6 is connected with a material input port of the gas type roasting furnace 9.
In this embodiment, a feed pump 5 is connected to the feed inlet of the spin flash dryer 4, and the molecular sieve slurry can be pumped into the spin flash dryer 4 by the feed pump 5.
In this embodiment, more than one burner is provided in the gas-fired roasting furnace 9, and more than one burner is uniformly distributed in the gas-fired roasting furnace 9 along the axis direction of the gas-fired roasting furnace 9, and in this embodiment, nine are taken as an example, and when the method is specifically implemented, the method can also be specifically set according to actual requirements. Each burner is respectively connected with a natural gas inlet and a combustion air inlet, and the combustion air inlet is connected with a roasting furnace combustion-supporting fan 10, so that combustion air can be blown into the gas type roasting furnace 9 through the roasting furnace combustion-supporting fan 10.
In this embodiment, the tail of the gas-fired roasting furnace 9 is provided with a tail burner, and the tail burner is connected with a natural gas inlet and a combustion air inlet, so that high-temperature tail gas can be directly contacted with materials, the thermal efficiency is improved again, and the dried molecular sieve material is discharged after being dried by the tail burner.
In this embodiment, a screw feeder is disposed at the head of the gas-fired roasting furnace 9, and a rotary discharge valve 11 is connected between the solid output port of the dust remover 6 and the material input port of the gas-fired roasting furnace 9, so that solid particles separated by the dust remover 6 are conveyed to the gas-fired roasting furnace 9 for roasting through the rotary discharge valve 11, and at the same time, a part of tail gas output by the spin flash dryer 4 is also conveyed to the material input port of the gas-fired roasting furnace 9.
In this embodiment, the dust remover 6 is a bag-type dust remover 6, another part of the tail gas output by the spin flash dryer 4 is output into the bag-type dust remover 6, the tail gas dried by the spin flash dryer 4 and the molecular sieve solid particles are subjected to gas-solid separation by the bag-type dust remover 6, the solid particles are conveyed into the gas-type roasting furnace 9, and meanwhile, the compressed air is also input into the bag-type dust remover 6 for filtration and purification.
In the embodiment, a tail gas fan 7 and a circulating fan 8 are connected to a gas outlet of the bag-type dust remover 6, the circulating fan 8 is connected with a gas inlet of the spin flash dryer 4, a part of output gas of the bag-type dust remover 6 enters the spin flash dryer 4 through the circulating fan 8 to participate in combustion, and the other part of the output gas is discharged as tail gas through the tail gas fan 7.
Compared with the prior art, the utility model realizes the purpose of energy conservation by adding the circulating fan 8 to recycle part of exhaust gas of the exhaust drying system; the utility model uses the gas type roasting furnace 9 as the hot blast stove, so that the hot blast stove 2, the hot blast stove combustion-supporting fan 1 and the combustion system thereof in the original process are reduced; and by additionally arranging a burner at the tail of the gas type roasting furnace 9, the high-temperature tail gas is in direct contact with the materials, and the heat efficiency is improved again.
When the utility model is used, the high-temperature tail gas of the gas type roasting furnace 9 is pressurized by the high-temperature fan 3 and then mixed with the circulating tail gas from the circulating fan 8, then enters from the bottom of the rotary flash dryer 4, the slurry from the feed pump 5 is dried in the process of moving the rotary flash dryer 4 forwards, the material is carried out from the upper part of the rotary flash dryer 4, the dried tail gas and molecular sieve solid particles are subjected to gas-solid separation by the bag dust remover 6, one part of the separated gas is conveyed to the tail gas treatment system by the tail gas fan 7, and the other part of the separated gas is pressurized by the circulating fan 8 and then recycled; solid particles separated by the bag dust collector 6 are conveyed to a gas type roasting furnace 9 for roasting through a rotary discharge valve 11, the gas type roasting furnace 9 is provided with a plurality of burners, natural gas and combustion air are mixed and combusted at the burners to provide heat for a roasting system, and combusted high-temperature tail gas is pressurized through a high-temperature fan 3 and then recycled by a rotary flash evaporation drying system; the solid particles are conveyed to a discharging bin behind the furnace cylinder while being baked under the action of the rotation of the gas baking furnace 9; the temperature of the roasting atmosphere in the gas roasting furnace 9 can be adjusted by a burner arranged above the discharge bin.
The utility model improves the energy consumption of a molecular sieve drying-roasting system and the safety of a production system, and fills the blank of the corresponding technology in China. The rotary flash drying operation is more stable; the tail gas of the drying system is recycled, so that the molecular sieve drying-roasting system saves energy by 5% compared with the existing process; the burner at the tail of the furnace cylinder is in direct contact with the material, so that the energy is saved; the method is safer aiming at inflammable organic matters in the solvent; the utility model uses the gas type roasting furnace as the hot blast stove of the spin flash drying system, removes the hot blast stove, the hot blast stove combustion-supporting fan and the hot blast stove combustion system in the original process, greatly reduces the fixed investment, simplifies the process flow and reduces the production and maintenance cost.
Claims (9)
1. A molecular sieve drying-roasting comprehensive energy-saving production system is characterized in that: the production system comprises a spin flash dryer (4), a dust remover (6) and a gas type roasting furnace (9), wherein a tail gas output port of the gas type roasting furnace (9) is connected with a gas inlet of the spin flash dryer (4), a tail gas output port of the spin flash dryer (4) is connected with a gas input port of the dust remover (6), a tail gas output port of the dust remover (6) is connected with a gas inlet of the spin flash dryer (4), and a solid output port of the dust remover (6) is connected with a material input port of the gas type roasting furnace (9).
2. The molecular sieve drying-roasting integrated energy-saving production system according to claim 1, characterized in that: the feeding inlet of the spin flash dryer (4) is connected with a feeding pump (5).
3. The molecular sieve drying-roasting integrated energy-saving production system according to claim 1, characterized in that: more than one burner is arranged in the gas type roasting furnace (9), the more than one burner is uniformly distributed in the gas type roasting furnace (9) along the axis direction of the gas type roasting furnace (9), and each burner is respectively connected with a natural gas inlet and a combustion air inlet.
4. A molecular sieve drying-calcining integrated energy-saving production system according to claim 3 and characterized in that: the combustion-supporting air inlet is connected with a combustion-supporting fan (10) of the roasting furnace.
5. A molecular sieve drying-calcining integrated energy-saving production system according to claim 3 and characterized in that: the tail part of the gas type roasting furnace (9) is provided with a tail burner, and the tail burner is connected with a natural gas inlet and a combustion air inlet.
6. A molecular sieve drying-calcining integrated energy-saving production system according to claim 3 and characterized in that: the head of the gas type roasting furnace (9) is provided with a screw feeder, and a rotary discharge valve (11) is connected between a solid output port of the dust remover (6) and a material input port of the gas type roasting furnace (9).
7. The integrated energy-efficient molecular sieve drying-calcining production system according to claim 6, wherein: and part of tail gas output by the rotary flash dryer (4) is conveyed to a material input port of the gas type roasting furnace (9).
8. The molecular sieve drying-roasting integrated energy-saving production system according to claim 1, characterized in that: the dust remover (6) is a cloth bag dust remover.
9. The molecular sieve drying-roasting integrated energy-saving production system according to claim 1, characterized in that: the gas outlet of the dust remover (6) is connected with a tail gas fan (7) and a circulating fan (8), and the circulating fan (8) is connected with the gas inlet of the spin flash dryer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322596425.0U CN220878099U (en) | 2023-09-25 | 2023-09-25 | Molecular sieve drying-roasting comprehensive energy-saving production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322596425.0U CN220878099U (en) | 2023-09-25 | 2023-09-25 | Molecular sieve drying-roasting comprehensive energy-saving production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220878099U true CN220878099U (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322596425.0U Active CN220878099U (en) | 2023-09-25 | 2023-09-25 | Molecular sieve drying-roasting comprehensive energy-saving production system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220878099U (en) |
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2023
- 2023-09-25 CN CN202322596425.0U patent/CN220878099U/en active Active
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